S12E09Grey's Anatomy season 12 episode 9: The Sound of Silence
Aired 11 February 201643 minRated TV-14
Where to watch Grey's Anatomy Season 12 in Australia
Grey's Anatomy season 12 is streaming in Australia on Disney+ (subscription, listed for the whole show).
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From $9.99/mth
Availability checked 16 November 2026.
What happens in “The Sound of Silence”
Meredith is brutally attacked by a patient, and Penny is the one who discovers her. The doctors of Grey Sloan Memorial rush to stabilize Meredith and remain by her side in the harrowing aftermath.
Episode summary: TMDB.
Before you watch
- It is episode 9 of 24 of season 12, so watch episodes 1 to 8 first.
- It runs about 43 minutes.
- Directed by Denzel Washington, written by Stacy McKee.
- TMDB users rate it 7.4 out of 10 (16 votes).
Grey's Anatomy trailer
The official trailer for the series (no preview of this episode has been published).
Play video: Grey's Anatomy trailer
Cast and crew of this episode
- Director
- Denzel Washington
- Writer
- Stacy McKee
- Guest stars
- Aniela Gumbs as Zola Grey ShepherdBrody Goodstadt as Derek Bailey ShepherdSamantha Sloyan as Penelope BlakeJoe Adler as Isaac CrossDohn Norwood as LouGordon James as Nurse GregoryRomel de Silva as Screaming PatientCharlotte Catherine Barlow as Female Patient
Credits: TMDB.
More from Grey's Anatomy Season 12
Previous · S12E08Things We Lost in the Fire19 November 2015
Next · S12E10All I Want Is You18 February 2016Every episode of Season 12Grey's Anatomy episode guide
Episode names, air dates, runtimes, stills and ratings: TMDB. Air dates are the first broadcast anywhere; where it streams is our daily Australian check.